M 4.7 in Canada on 21 Nov 2017 09:47 UTC

Global Telecommunication Service

GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones(WT) or Tsunami(WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present.The presence of a GTS message is shown in the homepage with a dedicated icon.

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2017-11-21 23:03 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • There is no TSUNAMI danger from this earthquake
  • Preliminary earthquake parameters
  • The following parameters are based on a rapid preliminary assessment and changes MAY occur
  • Magnitude 4.7
  • Origin time 0047 akst nov 21.2017 0147 pst nov 21 2017 0947 UTC nov 21
  • Coordinates 49.5 north 129 2 west
  • Depth 17 miles
  • Location 100 miles sw of port alice BRITISH columbia 335 miles s of prince rupert BRITISH columbia additional information and next update
  • Further information will be issued by the UNITED STATES geological survey (earthquake
  • Usgs
  • Gov) or the appropriate regional seismic network
  • This will be the only u s national TSUNAMI warning center message issued for this event unless additional information becomes available

Original Message :

WEAK53 PAAQ 210955
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
155 AM PST Tue Nov 21 2017

...THIS IS A TSUNAMI INFORMATION STATEMENT FOR ALASKA, BRITISH
COLUMBIA, WASHINGTON, OREGON AND CALIFORNIA...

EVALUATION
----------
* There is NO tsunami danger from this earthquake.


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* The following parameters are based on a rapid preliminary
assessment and changes may occur.

* Magnitude 4.7
* Origin Time 0047 AKST Nov 21 2017
0147 PST Nov 21 2017
0947 UTC Nov 21 2017
* Coordinates 49.5 North 129.2 West
* Depth 17 miles
* Location 100 miles SW of Port Alice, British Columbia
335 miles S of Prince Rupert, British Columbia


ADDITIONAL INFORMATION AND NEXT UPDATE
--------------------------------------
* Further information will be issued by the United States
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.

* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.

$$